Science

Sunday, 8 November 2026
13 facts about tears
13 facts about tears
Multipurpose liquid
Associated with emotions, tears are a product of lacrimal glands, found in the eyes of most terrestrial vertebrates. Although their primary function i ...

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Brain
The brain develops and matures until around the age of 25.
During the first year of life, an infant's brain enlarges threefold.
Anorexia Nervosa
The disease causes several symptoms from the body’s functioning.
Loss of body fat and muscle, resulting in emaciation and cachexia Lowering of body temperature belo ...
Nicotine
Larger doses of nicotine cause permanent blocking of the nervous system.
Nicotine binds permanently to nicotinic receptors in nerve cells, disturbing their metabolism. Initi ...
Mushrooms
Mycelium may become visible to the naked eye, for example, on various surfaces and substrates such as damp walls or spoiled food.
Myceliums grown on solid substrates are referred to as colonies. Some individual colonies can reach ...
Graphene
Nowadays, scientists are interested in a single layer of graphite carbon atoms.
In graphite, each carbon atom is connected to three other atoms and all these bonds lie in one plane ...
Moon
The crushed and fragmented rock material that covers the Moon's surface is called regolith.
The thickness of the regolith cover in sea areas ranges from 3 - 5 m and in the highlands 10 - 20 m.
Silver
Silver also has the highest thermal conductivity, the brightest color, and the highest light reflectance among metals for visible light.
Aluminum (Al) reflects ultraviolet light even more.
Silver
Silver is a chemical element with the symbol Ag, belonging to the group of transition metals (gold, platinum) in the periodic table.
The Latin name for silver is argentum.
Large Magellanic Cloud
In 964, the Persian astronomer Al Sufi observed the galaxy and named it Al Bakr, which means "The White Ox".
Fungi
What distinguishes fungi from animals is the presence of cell walls and vacuoles, which in turn makes them closer to plants.
Fungi do not perform photosynthesis, the cell walls of most fungi contain chitin, which does not occ ...